// ============================================================================
//
// Copyright (C) 2006-2007 Dengues
//
// Google Group: http://groups.google.com/group/dengues
// QQ Group: 24885404
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// ============================================================================
package org.dengues.designer.ui.process.figures;

import org.dengues.commons.utils.ColorUtil;
import org.dengues.designer.ui.process.models.CompConnection;
import org.eclipse.draw2d.PolygonDecoration;
import org.eclipse.draw2d.PolylineConnection;
import org.eclipse.draw2d.RotatableDecoration;
import org.eclipse.draw2d.geometry.PointList;
import org.eclipse.swt.graphics.Color;

/**
 * Qiang.Zhang.Adolf@gmail.com class global comment. Detailled comment <br/>
 * 
 * @since 2007-10-9 下午11:05:16
 */
public class CompConnectionFigure extends PolylineConnection {

    Color orange = new Color(null, 230, 100, 100);

    public CompConnectionFigure(CompConnection compConnection) {
        setForegroundColor(ColorUtil.getColor(compConnection.getType().getRgb()));
        setSourceDecoration(createSourceDecoration());
        setTargetDecoration(createTargetDecoration());
    }

    private RotatableDecoration createSourceDecoration() {
        PolygonDecoration df = new PolygonDecoration();
        PointList pl = new PointList();
        pl.addPoint(-1, 1);
        pl.addPoint(0, 0);
        pl.addPoint(-1, -1);
        df.setTemplate(pl);
        df.setScale(5, 3);

        return df;
    }

    private RotatableDecoration createTargetDecoration() {
        PolygonDecoration df = new PolygonDecoration();
        PointList pl = new PointList();
        pl.addPoint(0, 1);
        pl.addPoint(-1, 1);
        pl.addPoint(-1, -1);
        pl.addPoint(0, -1);

        df.setTemplate(pl);
        df.setScale(2, 2);

        return df;
    }
}
